2012890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 4095360

約数和(自身を除く): 2082470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 631, 638, 1262, 1595, 3155, 3190, 6310, 6941, 13882, 18299, 34705, 36598, 69410, 91495, 182990, 201289, 402578, 1006445, 2012890]

約数ペア:

[(1, 2012890), (2, 1006445), (5, 402578), (10, 201289), (11, 182990), (22, 91495), (29, 69410), (55, 36598), (58, 34705), (110, 18299), (145, 13882), (290, 6941), (319, 6310), (631, 3190), (638, 3155), (1262, 1595)]